| 电子式互感器及其在继电保护中的应用 |
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| 引用本文： | 王晓芳.电子式互感器及其在继电保护中的应用[J].邵阳学院学报(自然科学版),2008,5(3):53-57. |
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| 作者姓名： | 王晓芳 |
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| 作者单位： | 邵阳学院电气工程系,湖南,邵阳422000 |
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| 摘 要： | 介绍了电子式互感器（ETA／ETV）的基本结构和工作原理，对传统互感器（TA）和ETA在比率制动差动保护中的动作特性进行比较，指出采用ETA可显著提高差动保护的灵敏性，并探讨电子式互感器的应用对继电保护原理、性能及硬件产生的影响。
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| 关 键 词： | 电子式电流互感器(ETA) Rogowski线圈 合并单元 IEC61850 电流差动保护 |
Electronic Transducer and Its Application in Protective Relaying |
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| WANG Xiao-fang.Electronic Transducer and Its Application in Protective Relaying[J].Journal of Shaoyang University:Science and Technology,2008,5(3):53-57. |
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| Authors: | WANG Xiao-fang |
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| Institution: | WANG Xiao-fang (Electrical Engineering College ,Shaoyang University, Shaoyang , Hunan 422000) |
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| Abstract: | In this paper,the basic construction and the working principle of the electronic transducer is presented.Through comparing action characteristics of differential protection based on traditional TA and ETA,it is pointed out that the sensitivity of differential protection can be evidently improved by using ECT.And the principle,performance and hardware of protective relaying will be influenced by the application of ETA/ETV. |
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| Keywords: | ETA Rogowski coil merging unit IEC61850 current differential protection |
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